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RESO Data Dictionary
    What is the Data Dictionary?  It’s Real Estate’s “Rosetta Stone” The Data Dictionary serves as the real estate industry’s “Rosetta Stone” for real estate data. Hundreds of MLS, and other source providers, gather data. But what good is it if the data cannot be shared or understood? The Data Dictionary ensures that each system “speaks” the same language. It is the common standard that defines real estate data in consistent terms and data structures; a template data providers may follow to format its most common fields. The RESO Dictionary has two purposes. Serve as a non-RETS guideline for a national standard for the fields and look-ups (enumerations) in the MLS. Common center for all expressions of fields and enumerations. As an MLS reviews change, it is advised to consider the benefits of growing closer to the national standard. Not only will it make the effort of ensuring RESO compliance easier, it will also ensure that as listings progress through IDX and other aggregation points, the meaning of your data is not diluted or misinterpreted. The Data Dictionary is broken down into the following tabs. Please review the following details and information on use of the dictionary. Meta-Definitions: This page should be reviewed first. It contains the definitions about the fields used in the RESO Dictionary to define the fields and look-ups. Recommendations: List of suggested Data Dictionary changes including discussion notes. RESO Dictionary: Each Data Dictionary resource will have its own tab containing fields and their defining details. Dictionary tabs include: Property, Member, Office, Media and History. Enumerations: This tab has the list of enumerations, or pick lists, that have been defined thus far. Keep in mind, that unless “locked” all lists are extensible. Deleted Elements: These are fields or enumerations that have been deleted from the dictionary. An MLS will probably use a subset of the Data Dictionary, as not all Data Dictionary fields apply to every
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RESO Standards Certification
Introduction RESO Certification will test programs and platforms for conformance to RESO Standards. How Certification Can Help Your Brokerage Incorporating MLS data into your back office solutions, website and other tools is not an easy task. Because every MLS includes slightly different fields and information in their IDX feed, your team and technology partners have to spend significant resources to ingest information and then find a way to normalize it so it can display on your website. It gets even more complicated in you operate in more than one MLS region. This work is not easy. It takes time and money away from technology, tools and marketing programs to help your agents be more successful. One set of consistent fields that every vendor in every market will make managing your brokerage a WHOLE lot easier. The Real Estate Standards Organization was formed to create industry-wide data standards to help make it easier to leverage real estate information to directly benefit your brokerage. Every real estate brokerage technology that interfaces with MLS data – your IDX websites, your apps, your marketing technology, your CRM -- all benefit from the efforts of RESO. The RESO Certification Program is the real estate industry’s seal of data excellence as it ensures that MLSs, Technology Vendors and Brokerages have correctly implemented RESO data standards. The Certification process allows the self-testing of programs and platforms for compliance with RESO Standards. For real estate brokers, industry data standardization can help reduce future technology costs and speed up your ability o expand into new markets. How Certification Can Help Your MLS The Real Estate Standards Organization’s Certification Program is the real estate industry’s seal of data excellence as it ensures that your Multiple Listing Service has correctly implemented RESO data standards. The Certification process allows your MLS to test programs and platforms for conformance to RESO Standards. Currently, RESO is focused on the mandate by the National Association of REALTORS that every NAR affiliated MLS adopt the RESO Data Dictionary by January 1, 2016 (NAR MLS Policy Statement 7.90). MLSs can demonstrate compliance with the NAR Policy through the RESO Certification Program. Only MLSs are certified for the Data Dictionary; MLS technology vendors are not certified, but typically assist in preparing their MLS clients for Certification. Understanding the Certification process for an MLS will help you better navigate being Data Dictionary Certified. More Certification Details on RESO.org Visit www.reso.org/certification for more information on the RESO Certification processes and testing tools for RESO RETS 1.7.2 or 1.8 Clients/Servers and the RESO Data Dictionary. Here you can find: – An introduction to the Certification process.  – Instructions to download and use the RESO testing tools  – Online application forms to begin the
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Web API
  RESO Web API Version 1.0.2 The RESO Transport workgroup is proud to announce an update to RETS Web API (now version 1.0.2). The goal of this standard is to provide a more open data approach using the widely-adopted RESTful (REpresentational State Transfer) technology in use by many industries today.  RESO’s move toward a RESTful standard is to encourage and promote access to real estate information directly from web, mobile, social and other HTTP-based applications. The 1.0.2 standard leverages the best of Global Technologies and is built upon, in part, the OData v4.0 standard.  Extensive efforts put forth by the RESO Workgroup volunteers has ensured the future of the transactional specification to conform to OData 4.0 in order to provide off the shelf OData tool set compatibility for the Real Estate Industry.  The new specification provides a number of updates based on feedback from the workgroup and RESO membership.  Content was added to or modified in nearly all sections to help clarify content or answer open questions.  The Data Dictionary v1.3, v1.4, and the EDMX are currently being generated for the API Specification and should be completed no later than end of September.  The 1.0.2 Specification is the officially approved and ratified standard by the RESO Board of Directors.  Realtor owned and/or affiliated MLSs will have till June 30, 2016 to implement and certify against the RESO Standards through the RESO Compliance Certification Process per the N.A.R. Mandate in the MLS Policy Statement
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